As a best practice, always use the latest available release of LUA. New versions of LUA are periodically released. These new releases contain new or updated features, enhancements and improvements to the stability and performance of the product, 3rd party middleware (Apache Tomcat, PostgreSQL, etc) updates and security vulnerability fixes. Updated product lists that allow LUA to download content for new products or updated versions of existing products are sometimes provided only for the newest version of LUA. An example of some of the important improvements in later versions of LUA are: